Stool



FIG. 1 is a top view of a stool embodying the design of my invention;

FIG. 2 is a side view of the stool embodying the design of my invention;

FIG. 3 is a view similar to FIG. 2 taken at 90 degrees from that viewand showing further detail being generally a side view of the stool ofFIG. 1;

FIG. 4 is a bottom view showing the bottom plan view.

The ornamental design for a stool, substantially as shown.